Answer:
the equation is balanced because there are 8 atoms of carbon, 26 atoms of oxygen, and 20 atoms of hydrogen. on each side of the equation.
PLEASE MARK BRAINLIEST
Answer:
I I'm pretty sure it's B I hope this helps
Answer:
24.5
Explanation:
15/6.3 => 2.38 half lives passed.
.5^2.38 => 0.19198 decimal representation of the percentage that is left over after 2.38 half lives have passed.
0.19198 *128 = 24.5 mg of the material remaining.
Answer:
Mg2+
NH4+
are cations because of there positive charge
Explanation:
-He is a noble gas and have no formal charge therefor it is not a cation
-cl- and o2- have a negative formal charge so they are called anion
Burning and other changes in matter do not destroy matter. The mass of matter is always the same before and after the changes occur. The law of conservation of mass states that matter cannot be created or destroyed
